Paris Hilton cradles her black Chihuahua Diamond while in Malibu with fiancé Carter Reum

Simon Cowell is casual as he goes shopping with Lauren Silverman and son Eric in Malibu

Chris Martin rocks a blue T-shirt while filming a new music video in Malibu

Paris Hilton gets an apology from the artist who Photoshopped the fake 'STOP BEING POOR' tank top